%0 Journal Article %T Objective Methods for Analysing Unreplicated Factorial Designs %A Nuno Costa %A Zulema Lopes Pereira %J Lecture Notes in Engineering and Computer Science %D 2007 %I Newswood and International Association of Engineers %U http://www.iaeng.org/publication/WCE2007/WCE2007_pp1153-1156.pdf